CN218031700U

CN218031700U - Thermal power control valve

Info

Publication number: CN218031700U
Application number: CN202222189553.9U
Authority: CN
Inventors: 蔡明�; 郑惠民
Original assignee: Zhejiang Fengyuan Instrument Co ltd
Current assignee: Zhejiang Fengyuan Instrument Co ltd
Priority date: 2022-08-19
Filing date: 2022-08-19
Publication date: 2022-12-13
Anticipated expiration: 2032-08-19

Abstract

The utility model discloses a thermal power control valve, its characteristic is still equipped with high-pressure steam passageway and low pressure steam passageway respectively including the both ends of system tee bend valve body, and is equipped with the separator between high-pressure steam passageway and the low pressure steam passageway, tee bend valve body 1's bottom is connected with a blender that is convenient for high-pressure steam and low pressure steam mix. The utility model discloses a technological effect, because gas mixing tube and high-pressure steam passageway and low pressure steam passageway are the intercommunication in the blender, so when high-pressure steam flow to mist mixing tube, because it has higher temperature and higher pressure, thereby can be with the lower low pressure steam of temperature and pressure from the low pressure steam recovery pipe suction of being connected with low pressure steam passageway, and along with high-pressure steam together spout from the gas mixing tube of blender, then use in letting in the case festival of corresponding oven or the ironing roller of ironing machine through a plurality of steam conduit after will mixing, need not to be equipped with extra fan or aspiration pump.

Description

Thermal power control valve

Technical Field

The utility model relates to a valve field, concretely relates to thermal power control valve.

Background

Valves are widely used to control the delivery of various fluids; in the production of industrial products, such as leather and leather products, the products need to be dried by an oven or shaped by an ironing machine, steam needs to be provided for the oven or the ironing machine in the process, the steam serves as a heating source to heat and shape the products, and in the drying or ironing process, the temperature required in each box section or each ironing roller in the oven or the ironing machine does not need to be uniform, generally from the entrance end of the leather and leather products, the required steam temperature is from high to low, so in order to save the waste of the steam, after the steam is utilized in the process, the utilized steam is respectively reused after the steam is separated from gas and water by a steam-water separator; and in the prior art, when the steam separated from the steam-water separator is reused, power equipment such as a fan or an air pump is adopted to pump out steam with lower temperature compared with the steam used for the first time, and then the steam is supplied to an oven or a ironing roller with lower temperature, so that the required cost is higher, and the complexity of the pipeline structure is increased.

Disclosure of Invention

The utility model aims at providing a be used for replacing fan or aspiration pump with what high temperature steam supply line and low temperature steam recovery tube connected to simplify the pipeline structure and reduce the thermal power control valve of application cost.

In order to achieve the technical purpose, the utility model provides a thermal power control valve, which comprises a three-way valve body, a valve cover arranged on the three-way valve body, a valve seat arranged in the three-way valve body and a support arranged on the valve cover, wherein a pneumatic valve actuator is arranged on the support, the pneumatic valve actuator is connected with a valve rod which passes through the support and the valve cover and extends into the three-way valve body, and a valve core matched with the valve seat is arranged on the valve rod; the steam mixing valve is characterized by further comprising a high-pressure steam channel and a low-pressure steam channel which are respectively arranged at two ends of the tee valve body, a separator is arranged between the high-pressure steam channel and the low-pressure steam channel, and the bottom end of the tee valve body 1 is connected with a mixer which is convenient for mixing high-pressure steam and low-pressure steam.

Preferably, the mixer comprises a mixer outer shell, a gas mixing pipe connected with the outer shell is arranged in the outer shell, and the gas mixing pipe is communicated with the high-pressure steam channel and the low-pressure steam channel.

Preferably, one end of the gas mixing pipe is wide, the other end of the gas mixing pipe is narrow and is in a cone shape, and a cone-shaped connecting sleeve is further arranged between the narrow end of the gas mixing pipe and the mixer outer shell.

Preferably, a guide sleeve and a filler are arranged between the valve rod and the valve cover.

Preferably, the partition is a partition pipe, and the valve seat is arranged on the partition and matched with the valve core.

Preferably, the bracket is also provided with a positioner for conveniently adjusting the stroke of the valve rod and a graduated scale matched with the positioner.

The utility model discloses technological effect: when the pneumatic actuator drives the valve rod to move, the valve core is separated from the valve seat, so that high-pressure steam can flow into the three-way valve body through the high-pressure steam channel and enter the mixer, and because the gas mixing pipe in the mixer is communicated with the high-pressure steam channel and the low-pressure steam channel, when the high-pressure steam flows to the mixed gas mixing pipe, the low-pressure steam with lower temperature and pressure can be sucked out of the low-pressure steam recovery pipe connected with the low-pressure steam channel and is sprayed out of the gas mixing pipe of the mixer along with the high-pressure steam, and then the mixed gas is introduced into a box section of a corresponding oven or an ironing roller of an ironing machine through a plurality of steam pipelines.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic sectional structure of the present invention;

fig. 3 is a schematic structural diagram of the utility model in use.

Illustration of the drawings: 1. a three-way valve body; 2. a valve cover; 3. a valve seat; 4. a support; 5. a valve actuator; 6. a valve stem; 7. a valve core; 8. a high pressure steam channel; 81. a high pressure steam line; 9. a low pressure steam channel; 91. a high pressure steam line; 92. a steam-water separator; 10. a separator; 11. a mixer; 12. a mixer housing; 13. a gas mixing tube; 14. a filler; 15. a positioner; 16. a graduated scale; 17. a guide sleeve; 18. a connecting sleeve.

Detailed Description

The aging high-efficiency testing device for electrical sockets of the present invention is further described with reference to the accompanying drawings.

Referring to fig. 1-3, a thermal power control valve includes a three-way valve body 1, a valve cover 2 mounted on the three-way valve body 1 through bolts, a valve seat 3 disposed in the three-way valve body 1, a support 4 mounted on the valve cover 2 through bolts, a pneumatic valve actuator 5 mounted on the support 4 through bolts, a valve rod 6 passing through the support 4 and the valve cover 2 and extending into the three-way valve body 1 connected to the pneumatic valve actuator 5, and a valve core 7 adapted to the valve seat 3 disposed on the valve rod 6; the steam mixing valve is characterized in that a high-pressure steam channel 8 and a low-pressure steam channel 9 are respectively arranged at two ends of a three-way valve body 1, a separator 10 is arranged between the high-pressure steam channel 8 and the low-pressure steam channel 9, and the bottom end of the three-way valve body 1 is connected with a mixer 11 which is convenient for mixing high-pressure steam and low-pressure steam through a bolt; through the setting of high pressure steam passageway 8 for the transport of high pressure steam, through the setting of low pressure steam passageway 9, be used for the transport of low pressure steam, through the setting of separator 10 for separate high pressure steam passageway 8 and low pressure steam passageway 9, high pressure steam passageway 8 is connected with high pressure steam pipeline 81, and low pressure steam passageway 9 is connected with low pressure steam pipeline 91, and catch water 92 is connected to the low pressure steam pipeline 91 other end.

Further, the mixer 11 comprises a mixer outer shell 12, a gas mixing pipe 13 connected with the outer shell 12 is arranged in the outer shell 12, and the gas mixing pipe 13 is communicated with the high-pressure steam passage 8 and the low-pressure steam passage 9.

Further, one end of the gas mixing pipe 13 is wide, the other end is narrow and conical, and a conical connecting sleeve 18 is further arranged between the narrow end of the gas mixing pipe 13 and the mixer outer shell 12; through the setting of adapter sleeve 18, after high-pressure steam passageway 8 and gas mixing tube intercommunication, high-pressure steam gets into gas mixing tube 13 from the passageway between disk seat 3 and the case 7 in, because high-pressure steam's pressure is high, and is fast, through the siphon principle, high-pressure steam makes the space between adapter sleeve 18 and the disk seat 3 form the negative pressure when getting into gas mixing tube 13, inhale low-pressure steam behind low pressure steam passageway 9 behind the gas mixing tube 13 with high-pressure steam mixture back discharge, need not additionally to be equipped with fan or aspiration pump.

Further, a guide sleeve 17 and a packing 14 are arranged between the valve rod 6 and the valve cover 2.

Further, the separator 10 is a separation tube, and the valve seat 3 is arranged on the separator 10 and is matched with the valve core 7; the valve rod 6 drives the valve element 7 to move up and down, so that a flow path between the valve element 7 and the valve seat 3 is opened, and the size of the flow path is adjusted.

Furthermore, the support 4 still install be convenient for adjust the locator 15 of 6 strokes of valve rod and with locator 15 matched with scale 16, drive valve rod 6 action of advancing through locator 15 control valve executor 5, can observe the aperture of valve through scale 16.

The utility model discloses a working process: when the steam valve is opened, the valve positioner 15 controls the valve actuator 5 to drive the valve rod 6 to move upwards, the valve rod 6 drives the valve core 7 to move upwards, the valve core 7 opens a flow path between the valve core 7 and the valve seat 3 after moving upwards, the high-pressure steam channel 8 is communicated with the gas mixing pipe 13, high-pressure steam enters the gas mixing pipe 13 from between the valve seat 3 and the valve core 7 quickly due to high pressure and high temperature of the high-pressure steam, meanwhile, a negative pressure is formed in a space between the connecting sleeve 18 and the valve seat 3, low-pressure steam is sucked to the low-pressure steam channel 9 through the negative pressure and then enters the gas mixing pipe 13 to be mixed with the high-pressure steam and then discharged, and the discharged gas is introduced into a box section of a corresponding oven or an ironing roller of an ironing machine through a plurality of steam pipelines for use.

The above technical contents are the explanations of the present invention, but not the limitations of the present invention, and all the schemes using the technical solutions of the present invention after simple changes all belong to the protection scope of the present invention.

Claims

1. A thermal power control valve comprises a three-way valve body (1), a valve cover (2) arranged on the three-way valve body (1), a valve seat (3) arranged in the three-way valve body (1), and a support (4) arranged on the valve cover (2), wherein a pneumatic valve actuator (5) is arranged on the support (4), the pneumatic valve actuator (5) is connected with a valve rod (6) penetrating through the support (4) and the valve cover (2) and extending into the three-way valve body (1), and a valve core (7) matched with the valve seat (3) is arranged on the valve rod (6); the steam mixing valve is characterized in that a high-pressure steam channel (8) and a low-pressure steam channel (9) are respectively arranged at two ends of the three-way valve body (1), a separator (10) is arranged between the high-pressure steam channel (8) and the low-pressure steam channel (9), and a mixer (11) which is convenient for mixing high-pressure steam and low-pressure steam is connected to the bottom end of the three-way valve body (1).

2. A thermodynamic control valve as claimed in claim 1, wherein: mixer (11) in including mixer shell body (12), be equipped with gas mixing pipe (13) of being connected with shell body (12) in shell body (12), gas mixing pipe (13) and high pressure steam passageway (8) and low pressure steam passageway (9) intercommunication.

3. A thermodynamic control valve as claimed in claim 2, wherein: the gas mixing pipe (13) is wide in one end and narrow in one end, the gas mixing pipe is conical, and a conical connecting sleeve (18) is further arranged between the narrow end of the gas mixing pipe (13) and the mixer outer shell (12).

4. A thermodynamic control valve as claimed in claim 1, wherein: a guide sleeve (17) and a filler (14) are arranged between the valve rod (6) and the valve cover (2).

5. A thermodynamic control valve as claimed in claim 1, wherein: the separator (10) is a separation pipe, and the valve seat (3) is arranged on the separator (10) and matched with the valve core (7).

6. A thermodynamic control valve as claimed in claim 1, wherein: the support (4) is also provided with a positioner (15) convenient for adjusting the stroke of the valve rod and a graduated scale (16) matched with the positioner (15).